Selkirk 3" to 7" Low Profile Double Wall Increaser (Round - Type B Gas Vent) w37.25 6"Ø x 25’ Insulated Flex

6"Ø x 25’ Insulated Flex Pipe for Forced Air Kit

60" Plate = 7-8 bags

Its European flair and solid construction make it a standout piece that is sure to become a conversation starter

galvanized Inner Diameter 10" Outer Diameter 13" Height 20

018" thick G90 Steel for sizes 3" to 14" diameter Clearances 1" Minimum clearance to combustibles for 3" - 24" Size W 7

Selkirk 3" to 7" Low Profile Double Wall Increaser (Round - Type B Gas Vent) w37.25 6"Ø x 25’ Insulated FlexSelkirk 3" to 7" Low Profile Double Wall Increaser Used to increase pipe diamete. Used for tight installations to optimize space. (RV) Round Type B Gas Vent Model RV Double Wall Gas Vent is the installer's choice for residential, industrial and light commercial applications. The aluminum liner heats up quickly to promote strong draft. Galvanized outer provides protection against outdoor elements. Product line includes DWC Double Wall Connectors and